From fff086ebc554b8f7942e3839a758cb8e8dfc945f Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Date: Wed, 3 Sep 2025 10:00:12 +0200
Subject: [PATCH] gpio: mlxbf: use new generic GPIO chip API

Convert the driver to using the new generic GPIO chip interfaces from
linux/gpio/generic.h.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250903-gpio-mmio-gpio-conv-part3-v1-8-ff346509f408@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/gpio/gpio-mlxbf.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/drivers/gpio/gpio-mlxbf.c b/drivers/gpio/gpio-mlxbf.c
index 1fa9973f55b96..843f40496be7b 100644
--- a/drivers/gpio/gpio-mlxbf.c
+++ b/drivers/gpio/gpio-mlxbf.c
@@ -4,6 +4,7 @@
 #include <linux/bitops.h>
 #include <linux/device.h>
 #include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -37,7 +38,7 @@ struct mlxbf_gpio_context_save_regs {
 
 /* Device state structure. */
 struct mlxbf_gpio_state {
-	struct gpio_chip gc;
+	struct gpio_generic_chip chip;
 
 	/* Memory Address */
 	void __iomem *base;
@@ -49,6 +50,7 @@ struct mlxbf_gpio_state {
 
 static int mlxbf_gpio_probe(struct platform_device *pdev)
 {
+	struct gpio_generic_chip_config config;
 	struct mlxbf_gpio_state *gs;
 	struct device *dev = &pdev->dev;
 	struct gpio_chip *gc;
@@ -62,21 +64,24 @@ static int mlxbf_gpio_probe(struct platform_device *pdev)
 	if (IS_ERR(gs->base))
 		return PTR_ERR(gs->base);
 
-	gc = &gs->gc;
-	ret = bgpio_init(gc, dev, 8,
-			 gs->base + MLXBF_GPIO_PIN_STATE,
-			 NULL,
-			 NULL,
-			 gs->base + MLXBF_GPIO_PIN_DIR_O,
-			 gs->base + MLXBF_GPIO_PIN_DIR_I,
-			 0);
+	gc = &gs->chip.gc;
+
+	config = (typeof(config)){
+		.dev = dev,
+		.sz = 8,
+		.dat = gs->base + MLXBF_GPIO_PIN_STATE,
+		.dirout = gs->base + MLXBF_GPIO_PIN_DIR_O,
+		.dirin =  gs->base + MLXBF_GPIO_PIN_DIR_I,
+	};
+
+	ret = gpio_generic_chip_init(&gs->chip, &config);
 	if (ret)
 		return -ENODEV;
 
 	gc->owner = THIS_MODULE;
 	gc->ngpio = MLXBF_GPIO_NR;
 
-	ret = devm_gpiochip_add_data(dev, &gs->gc, gs);
+	ret = devm_gpiochip_add_data(dev, &gs->chip.gc, gs);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed adding memory mapped gpiochip\n");
 		return ret;
-- 
2.47.3